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In an Inverting Amplifier circuit, the output voltage vo is expressed as a function of ____________

(a) Input current

(b) Output current

(c) Source voltage

(d) Source current

I got this question in an online interview.

Query is from The Inverting and Non-Inverting Amplifier Circuit in portion The Operational Amplifier of Electric Circuits

Given Op-amp is ideal. Calculate vo if va=1v and vb=0v.

(a) -4v

(b) -2.5v

(c) 4v

(d) 2.5v

The question was asked during an online exam.

The query is from Operational Amplifier Terminals,Terminal Voltages and Currents topic in portion The Operational Amplifier of Electric Circuits

The opamp in the Inverting circuit is in __________

(a) Linear region

(b) Saturation

(c) Cut-off region

(d) Non-linear region

This question was posed to me during a job interview.

This interesting question is from The Inverting and Non-Inverting Amplifier Circuit in chapter The Operational Amplifier of Electric Circuits

Calculate the gain for the Op-amp given.

(a) 0.719

(b) 2.572

(c) 1.390

(d) 1.237

I had been asked this question during an interview.

Origin of the question is Operational Amplifier Terminals,Terminal Voltages and Currents topic in division The Operational Amplifier of Electric Circuits

Find the gain for the following circuit.

(a) -2

(b) 2

(c) -1

(d) 1

I had been asked this question in an interview for internship.

The question is from Operational Amplifier Terminals,Terminal Voltages and Currents in division The Operational Amplifier of Electric Circuits

The negative feedback causes the input voltage difference to ____________

(a) 1

(b) Increase

(c) Decrease

(d) 0

I got this question in exam.

My enquiry is from Operational Amplifier Terminals,Terminal Voltages and Currents in chapter The Operational Amplifier of Electric Circuits

If the output voltage is not a linear function of input voltage then ____________

(a) Op-amp acts a linear device

(b) Op-amp acts as a non-linear device

(c) Op-amp acts a polar device

(d) Op-amp acts as an inverter

The question was asked during a job interview.

This is a very interesting question from Operational Amplifier Terminals,Terminal Voltages and Currents topic in chapter The Operational Amplifier of Electric Circuits

When the input voltage difference is small in magnitude, the Op-amp behaves as ____________

(a) Non-linear device

(b) Linear device

(c) Complex device

(d) Bipolar device

I had been asked this question during an online exam.

Enquiry is from Operational Amplifier Terminals,Terminal Voltages and Currents in division The Operational Amplifier of Electric Circuits

The number of terminals in an Op-amp ______________

(a) 6

(b) 2

(c) 5

(d) 3

I got this question during an interview for a job.

This intriguing question originated from Operational Amplifier Terminals,Terminal Voltages and Currents in portion The Operational Amplifier of Electric Circuits

The Op-amp is a type of ___________

(a) Differential amplifier

(b) Integrated amplifier

(c) Isolation amplifier

(d) Feedback amplifier

I got this question in a national level competition.

This key question is from Operational Amplifier Terminals,Terminal Voltages and Currents in portion The Operational Amplifier of Electric Circuits

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